Equity Compensation And Employee Benefit Plans (Schedule Of Equity Compensation Stock Options Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Share-based Arrangements with Employees and Nonemployees [Abstract]
Number of Options Outstanding at beginning of period	653
Number of Options granted	0	0	0
Number of Options exercised	(398)
Number of Options forfeited	(7)
Number of Options expired	0
Number of Options Outstanding at end of period	248	653
Number of Options Exercisable at end of period	201
Weighted Average Exercise Price Outstanding at beginning of period	$ 17.85
Weighted Average Exercise Price Options granted	$ 0.00
Weighted Average Exercise Price Options exercised	$ 17.61
Weighted Average Exercise Price Options forfeited	$ 20.07
Weighted Average Exercise Price Options expired	$ 0.00
Weighted Average Exercise Price Outstanding at end of period	$ 18.18	$ 17.85
Weighted Average Exercise Price Exercisable at end of period	$ 17.71
Weighted Average Remaining Contractual Term Outstanding at end of period, Years	3 years 296 days
Weighted Average Remaining Contractual Term Exercisable at end of period, Years	3 years 138 days
Aggregate Intrinsic Value Outstanding at end of period	$ 3,223
Aggregate Intrinsic Value Exercisable at end of period	$ 2,703